/*
 * Copyright (c) 2011, Nikolaus Moll
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 * * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * * Neither the name of the gradecalculator.net nor the
 * names of its contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY
 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
 * DAMAGE.
 */
package net.gradecalculator.exceptions;

import java.util.LinkedList;
import java.util.List;

@SuppressWarnings("serial")
public abstract class AbstractException extends RuntimeException {
	public AbstractException(final String message) {
		super(message, null);
	}

	public AbstractException(final String message, final Throwable cause) {
		super(message, cause);
	}

	public static List<String> getExceptionText(final Throwable throwable, final boolean isCause) {
		final List<String> result = new LinkedList<String>();
		final String title = throwable.getClass().toString() + ": " + throwable.getMessage();
		if (isCause) {
			result.add("Caused by: " + title);
		} else {
			result.add(title);
		}
		for (final StackTraceElement ste : throwable.getStackTrace()) {
			result.add(ste.toString());
		}

		if (throwable.getCause() != null) {
			result.addAll(getExceptionText(throwable.getCause(), true));
		}

		return result;
	}

	@Override
	public String getMessage() {
		return super.getMessage();
	}

	@Override
	public String toString() {
		final List<String> text = getExceptionText(this, false);
		final StringBuilder result = new StringBuilder();
		for (final String line : text) {
			result.append(line + "\n");
		}
		return result.toString().trim();
	}
}
